Home / 1,523,840.30-2,285,687.55-512,863.10

Finding the Fourth Proportional to 1,523,840.30, 2,285,687.55 and 512,863.10

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Solution

The fourth proportional to 1,523,840.30, 2,285,687.55 and 512,863.10 is: 769,270.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,840.30 : 2,285,687.55 = 512,863.10 : x
  2. Step 2: Convert to fraction form
    1,523,840.30/2,285,687.55 = 512,863.10/x
  3. Step 3: Cross multiply
    1,523,840.30x = 2,285,687.55 × 512,863.10
  4. Step 4: Simplify right side
    1,523,840.30x = 1,172,244,802,524.40
  5. Step 5: Solve for x
    x = 1,172,244,802,524.40/1,523,840.30
  6. Step 6: Final answer
    x = 769,270.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.